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Finding the Fourth Proportional to 18,882.64, 26,068.72 and 14,370.96

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Solution

The fourth proportional to 18,882.64, 26,068.72 and 14,370.96 is: 19,840.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882.64 : 26,068.72 = 14,370.96 : x
  2. Step 2: Convert to fraction form
    18,882.64/26,068.72 = 14,370.96/x
  3. Step 3: Cross multiply
    18,882.64x = 26,068.72 × 14,370.96
  4. Step 4: Simplify right side
    18,882.64x = 374,632,532.37
  5. Step 5: Solve for x
    x = 374,632,532.37/18,882.64
  6. Step 6: Final answer
    x = 19,840.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.